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<title>pcre2_set_compile_extra_options specification</title>
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<h1>pcre2_set_compile_extra_options man page</h1>
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<br><b>
SYNOPSIS
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<P>
<b>#include &#60;pcre2.h&#62;</b>
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<P>
<b>int pcre2_set_compile_extra_options(pcre2_compile_context *<i>ccontext</i>,</b>
<b>  uint32_t <i>extra_options</i>);</b>
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<br><b>
DESCRIPTION
</b><br>
<P>
This function sets additional option bits for <b>pcre2_compile()</b> that are
housed in a compile context. It completely replaces all the bits. The extra
options are:
<pre>
  PCRE2_EXTRA_ALLOW_LOOKAROUND_BSK     Allow \K in lookarounds
  PCRE2_EXTRA_ALLOW_SURROGATE_ESCAPES  Allow \x{d800} to \x{dfff} in UTF-8 and UTF-32 modes
  PCRE2_EXTRA_ALT_BSUX                 Extended alternate \u, \U, and \x handling
  PCRE2_EXTRA_BAD_ESCAPE_IS_LITERAL    Treat all invalid escapes as a literal following character
  PCRE2_EXTRA_ESCAPED_CR_IS_LF         Interpret \r as \n
  PCRE2_EXTRA_MATCH_LINE               Pattern matches whole lines
  PCRE2_EXTRA_MATCH_WORD               Pattern matches "words"
</pre>
There is a complete description of the PCRE2 native API in the
<a href="pcre2api.html"><b>pcre2api</b></a>
page and a description of the POSIX API in the
<a href="pcre2posix.html"><b>pcre2posix</b></a>
page.
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